ABB PM904F 控制器模块在多年的自动化和控制产品经验之后，这款新发布的控制器真正扩展了自由职业者分布式控制系统(DCS)的硬件组合。ABB PM904F 控制器模块由CPU模块组成，CPU模块是主要部件。根据应用和要求，现场总线模块和I/O模块可以添加到控制器中。可选地，ABB PM904F 控制器模块支持冗余。PM904F包括:外加CPU模块PM 904F谁 扩展了标准版本PM904F的功能，支持多达四个PROFIBUS或CAN通信接口以及更多的应用存储器。
PM904F
标准CPU模块PM 902F带有四个以太网接口、一个诊断接口、两个串行接口和显示单元可选。它支持多达两个通信接口。精简CPU模块PM904F带有三个以太网接口、一个诊断接口、两个串行接口和显示单元可选。它支持多达两个通信接口。最多十个S700输入/输出模块直接连接在终端设备上控制器支持远程I/o、变送器、执行器、驱动器和其他设备，例如通过PROFIBUS和其他现场总线协议。
PM904F
After years of experience in automation and control products, the BB PM904F controller module has truly expanded the hardware combination of freelance distributed control systems (DCS) with this newly released controller. The ABB PM904F controller module consists of a CPU module, which is the main component. According to the application and requirements, fieldbus modules and I/O modules can be added to the controller. Optionally, the ABB PM904F controller module supports redundancy. The PM904F includes an additional CPU module, which extends the functionality of the standard version PM904F, supports up to four PROFIBUS or CAN communication interfaces, and more application memory.
PM904F
The standard CPU module PM 902F comes with four Ethernet interfaces, one diagnostic interface, two serial interfaces, and optional display units. It supports up to two communication interfaces. The streamlined CPU module PM904F comes with three Ethernet interfaces, one diagnostic interface, two serial interfaces, and optional display units. It supports up to two communication interfaces. Up to ten S700 input/output modules can be directly connected to terminal devices. The controller supports remote I/O, transmitters, actuators, drivers, and other devices, such as through PROFIBUS and other fieldbus protocols.
PM904F
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